Public transportation

A $2-billion light-rail line that will add a key north-south connection to Los Angeles County’s growing transit network is facing several construction problems and will not open next year, the Metropolitan Transportation Authority said.

A stinging state audit of the California bullet train project released Thursday found that flawed decision-making, organizational faults and poor contract management led to multibillion-dollar cost overruns and delays in construction.

Paris is a city with a vision: The end of the automobile age. Dependence on gas- and diesel-powered vehicles has come at a huge cost to Parisians’ health and the environment in the metropolis of 12 million people.

For nearly two decades, residents of the northern and eastern San Fernando Valley watched as Los Angeles County officials opened new rail lines to the Westside, the San Gabriel Valley and East Los Angeles, hoping that the Southland’s transit building boom would someday reach them, too.